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<li class="navelem"><a class="el" href="../../dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li>  </ul>
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  <div class="headertitle"><div class="title">bufferBlock.cpp</div></div>
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<a href="../../d7/dac/buffer_block_8cpp.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="preprocessor">#include &quot;<a class="code" href="../../dd/da6/buffer_block_8hpp.html">bufferBlock.hpp</a>&quot;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="keyword">using namespace </span><a class="code hl_namespace" href="../../df/d8d/namespacewheels.html">wheels</a>;</div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="keyword">using namespace </span>dm;</div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"><a class="line" href="../../d7/dac/buffer_block_8cpp.html#a6b20d41d6252e9871430c242cb1a56e7">    5</a></span><span class="preprocessor">#define BUFFER_SIZE     (1024 * 1024 * 50 )</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"><a class="line" href="../../d7/dac/buffer_block_8cpp.html#a795fd89b0b94d025629ecfdfc555b856">    7</a></span><a class="code hl_define" href="../../de/d6d/singleton_8hpp.html#a1109a2b8f185c4c408a6772a1911488f">IMP_SINGLETON</a>( <a class="code hl_class" href="../../d5/d36/classwheels_1_1buff.html">buff</a> );</div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"><a class="line" href="../../d5/d36/classwheels_1_1buff.html#aeea7382f5dbe94bd7bfae2a8f3b2908b">    9</a></span><a class="code hl_function" href="../../d5/d36/classwheels_1_1buff.html#aeea7382f5dbe94bd7bfae2a8f3b2908b">buff::buff</a>():__pt_data( <a class="code hl_define" href="../../d7/dac/buffer_block_8cpp.html#a6b20d41d6252e9871430c242cb1a56e7">BUFFER_SIZE</a> ),__m_curr_pos(0) , __m_size( <a class="code hl_define" href="../../d7/dac/buffer_block_8cpp.html#a6b20d41d6252e9871430c242cb1a56e7">BUFFER_SIZE</a> ) {}</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span> </div>
<div class="foldopen" id="foldopen00011" data-start="{" data-end="}">
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"><a class="line" href="../../d5/d36/classwheels_1_1buff.html#ac76d02cb8a8df2065a8d96840db8f576">   11</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d5/d36/classwheels_1_1buff.html#ac76d02cb8a8df2065a8d96840db8f576">buff::toString</a>( std::string&amp; rst )</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span>{</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span>    <span class="keywordtype">bool</span> ret = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span>    <span class="keywordflow">if</span>( __pt_data.<a class="code hl_function" href="../../da/d39/classwheels_1_1malloc_shared_ptr.html#ab6d04b824d0c91bfbb2749704eb3a0b9">dataLen</a>() &lt;= 0 ) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span>    rst.assign( __pt_data.get() , __pt_data.<a class="code hl_function" href="../../da/d39/classwheels_1_1malloc_shared_ptr.html#ab6d04b824d0c91bfbb2749704eb3a0b9">dataLen</a>() );</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span>    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span>}</div>
</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="foldopen" id="foldopen00021" data-start="{" data-end="}">
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"><a class="line" href="../../d5/d36/classwheels_1_1buff.html#a485b97a14184a5a3f0d62269c102b08e">   21</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d5/d36/classwheels_1_1buff.html#a485b97a14184a5a3f0d62269c102b08e">buff::write</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * data , <span class="keywordtype">size_t</span> len , <span class="keywordtype">bool</span> clearPos )</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>{</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span>    <span class="keywordtype">bool</span> ret = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span>    <span class="keywordflow">if</span>( clearPos ){</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>        __m_curr_pos = 0;</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>    }</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span>    <span class="keywordflow">if</span>( len + __m_curr_pos &lt; __m_size ){</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>        memcpy( __pt_data.get() + __m_curr_pos , data , len );</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>        __m_curr_pos += len;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span>        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span>    }</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span>    <a class="code hl_define" href="../../d0/d0e/misc_8hpp.html#ab66bafe0e3773f589f4a239eb3aaecff">ERROR_MSG</a>( <span class="stringliteral">&quot;写入数据过长&quot;</span> );</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>}</div>
</div>
<div class="foldopen" id="foldopen00038" data-start="{" data-end="}">
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="../../d5/d36/classwheels_1_1buff.html#ac9c5b19232c6877794063a8f06482f49">   38</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d5/d36/classwheels_1_1buff.html#a485b97a14184a5a3f0d62269c102b08e">buff::write</a>( <span class="keyword">const</span> std::string&amp; data , <span class="keywordtype">bool</span> clearPos )</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>{</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>    <span class="keywordtype">bool</span> ret = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>    <span class="keywordflow">if</span>( clearPos ){</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>        __m_curr_pos = 0;</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>    }</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>    <span class="keywordflow">if</span>( data.length() + __m_curr_pos &lt; __m_size ){</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>        memcpy( __pt_data.get() + __m_curr_pos , data.c_str() , data.length() );</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>        __m_curr_pos += data.length();</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>    }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>    <a class="code hl_define" href="../../d0/d0e/misc_8hpp.html#ab66bafe0e3773f589f4a239eb3aaecff">ERROR_MSG</a>( <span class="stringliteral">&quot;写入数据过长&quot;</span> );</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>}</div>
</div>
<div class="ttc" id="abuffer_block_8cpp_html_a6b20d41d6252e9871430c242cb1a56e7"><div class="ttname"><a href="../../d7/dac/buffer_block_8cpp.html#a6b20d41d6252e9871430c242cb1a56e7">BUFFER_SIZE</a></div><div class="ttdeci">#define BUFFER_SIZE</div><div class="ttdef"><b>定义</b> <a href="#l00005">bufferBlock.cpp:5</a></div></div>
<div class="ttc" id="abuffer_block_8hpp_html"><div class="ttname"><a href="../../dd/da6/buffer_block_8hpp.html">bufferBlock.hpp</a></div></div>
<div class="ttc" id="aclasswheels_1_1buff_html"><div class="ttname"><a href="../../d5/d36/classwheels_1_1buff.html">wheels::buff</a></div><div class="ttdef"><b>定义</b> <a href="../../dd/da6/buffer_block_8hpp_source.html#l00017">bufferBlock.hpp:18</a></div></div>
<div class="ttc" id="aclasswheels_1_1buff_html_a485b97a14184a5a3f0d62269c102b08e"><div class="ttname"><a href="../../d5/d36/classwheels_1_1buff.html#a485b97a14184a5a3f0d62269c102b08e">wheels::buff::write</a></div><div class="ttdeci">bool write(const char *data, size_t len, bool clearPos=true)</div><div class="ttdoc">buff中写入数据内容</div><div class="ttdef"><b>定义</b> <a href="#l00021">bufferBlock.cpp:21</a></div></div>
<div class="ttc" id="aclasswheels_1_1buff_html_ac76d02cb8a8df2065a8d96840db8f576"><div class="ttname"><a href="../../d5/d36/classwheels_1_1buff.html#ac76d02cb8a8df2065a8d96840db8f576">wheels::buff::toString</a></div><div class="ttdeci">bool toString(std::string &amp;rst)</div><div class="ttdoc">将结果转换成标准字符串。</div><div class="ttdef"><b>定义</b> <a href="#l00011">bufferBlock.cpp:11</a></div></div>
<div class="ttc" id="aclasswheels_1_1buff_html_aeea7382f5dbe94bd7bfae2a8f3b2908b"><div class="ttname"><a href="../../d5/d36/classwheels_1_1buff.html#aeea7382f5dbe94bd7bfae2a8f3b2908b">wheels::buff::buff</a></div><div class="ttdeci">buff()</div><div class="ttdef"><b>定义</b> <a href="#l00009">bufferBlock.cpp:9</a></div></div>
<div class="ttc" id="aclasswheels_1_1malloc_shared_ptr_html_ab6d04b824d0c91bfbb2749704eb3a0b9"><div class="ttname"><a href="../../da/d39/classwheels_1_1malloc_shared_ptr.html#ab6d04b824d0c91bfbb2749704eb3a0b9">wheels::mallocSharedPtr::dataLen</a></div><div class="ttdeci">void dataLen(size_t len)</div><div class="ttdoc">指定当前的数据长度</div><div class="ttdef"><b>定义</b> <a href="../../d0/d5c/malloc_shared_ptr_8hpp_source.html#l00117">mallocSharedPtr.hpp:117</a></div></div>
<div class="ttc" id="amisc_8hpp_html_ab66bafe0e3773f589f4a239eb3aaecff"><div class="ttname"><a href="../../d0/d0e/misc_8hpp.html#ab66bafe0e3773f589f4a239eb3aaecff">ERROR_MSG</a></div><div class="ttdeci">#define ERROR_MSG(str)</div><div class="ttdef"><b>定义</b> <a href="../../d0/d0e/misc_8hpp_source.html#l00144">misc.hpp:144</a></div></div>
<div class="ttc" id="anamespacewheels_html"><div class="ttname"><a href="../../df/d8d/namespacewheels.html">wheels</a></div><div class="ttdoc">堆栈信息读取和保存记录</div><div class="ttdef"><b>定义</b> <a href="../../d3/df7/ary__str_8hpp_source.html#l00006">ary_str.hpp:7</a></div></div>
<div class="ttc" id="asingleton_8hpp_html_a1109a2b8f185c4c408a6772a1911488f"><div class="ttname"><a href="../../de/d6d/singleton_8hpp.html#a1109a2b8f185c4c408a6772a1911488f">IMP_SINGLETON</a></div><div class="ttdeci">#define IMP_SINGLETON(type)</div><div class="ttdef"><b>定义</b> <a href="../../de/d6d/singleton_8hpp_source.html#l00067">singleton.hpp:67</a></div></div>
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